“…The combination of rather simple chemical elements is presented in the newly prepared compounds Sr, -,K,CUO,CO,,~~ CuBa,Ca,-1 C ~n O J , 5 (Ca,K),CuO,-Cl,54 and Sr,Ca,-1C~,0,,I+aF2+,. 55 The critical temperature of a compound in the CuBa,Ca,-,Cu,O, series was found to be near 124K.5" Sr2Can-1 C ~n 0 2 n + b F Z + , displays T, = 99 K for n = 2 and 11 1 K for n = 3.56 -, was obtained.…”